fixup! [CI] Test with Python 3.13 and 3.14

.github/workflows/tests.yml

@@ -146,13 +146,6 @@ jobs:
         python3 -m pip install --upgrade setuptools
         python3 -m pip install --upgrade-strategy eager --upgrade cython twine build zstandard fusepy cffi
 
-    - name: Install Cutting-Edge Dependencies
-      if: matrix.python-version == '3.13.0-rc.2' || matrix.python-version == '3.14.0-alpha.0'
-      run: |
-        # https://github.com/indygreg/python-zstandard/issues/223
-        python3 -m pip install --upgrade \
-          'git+https://github.com/indygreg/python-zstandard.git@main#egginfo=zstandard'
-
     - name: Test Startup With Only One Compression Dependency
       run: |
         for module in indexed_gzip indexed_zstd lzmaffi python-xz; do

core/pyproject.toml

@@ -59,7 +59,12 @@ full = [
     "PySquashfsImage == 0.9.0",
     "lz4 ~= 4.0.0",
     "python-lzo ~= 1.0",
-    "zstandard ~= 0.22.0",
+    # Need at least 0.23.0 for Python 3.13 support.
+    # https://github.com/indygreg/python-zstandard/issues/223
+    # The old zstandard-python versions for Python < 3.8 are untested because they are EOL.
+    'zstandard ~= 0.20.0; python_version == "3.6.0"',
+    'zstandard ~= 0.21.0; python_version == "3.7.0"',
+    'zstandard ~= 0.23.0; python_version >= "3.8.0"',
     "isal ~= 1.0",
     'pyfatfs ~= 1.0; python_version < "3.12.0"',
 ]
@@ -71,8 +76,15 @@ squashfs = [
     "PySquashfsImage == 0.9.0",
     "lz4 ~= 4.0.0",
     "python-lzo ~= 1.0",
-    "zstandard ~= 0.22.0",
-    "isal ~= 1.0",
+    # Need at least 0.23.0 for Python 3.13 support.
+    # https://github.com/indygreg/python-zstandard/issues/223
+    # The old zstandard-python versions for Python < 3.8 are untested because they are EOL.
+    'zstandard ~= 0.20.0; python_version == "3.6.0"',
+    'zstandard ~= 0.21.0; python_version == "3.7.0"',
+    'zstandard ~= 0.23.0; python_version >= "3.8.0"',
+    # With Python 3.14, when building the wheel, I get:
+    # /usr/bin/ld: cannot find /tmp/tmpcuw21d78/bin/isa-l.a: No such file or directory
+    'isal ~= 1.0; python_version < "3.14.0"',
 ]
 xz = ["python-xz ~= 0.4.0"]
 zip = []

pyproject.toml

@@ -57,8 +57,15 @@ full = [
     "PySquashfsImage == 0.9.0",
     "lz4 ~= 4.0.0",
     "python-lzo ~= 1.0",
-    "zstandard ~= 0.22.0",
-    "isal ~= 1.0",
+    # Need at least 0.23.0 for Python 3.13 support.
+    # https://github.com/indygreg/python-zstandard/issues/223
+    # The old zstandard-python versions for Python < 3.8 are untested because they are EOL.
+    'zstandard ~= 0.20.0; python_version == "3.6.0"',
+    'zstandard ~= 0.21.0; python_version == "3.7.0"',
+    'zstandard ~= 0.23.0; python_version >= "3.8.0"',
+    # With Python 3.14, when building the wheel, I get:
+    # /usr/bin/ld: cannot find /tmp/tmpcuw21d78/bin/isa-l.a: No such file or directory
+    'isal ~= 1.0; python_version < "3.14.0"',
 ]
 bzip2 = []
 gzip = []